20512667817

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{9127}}^1$

素因数の和:9350

約数の個数: 48

約数和(自身を含む): 31327296000

約数和(自身を除く): 10814628183

約数列:

[1, 3, 9, 29, 79, 87, 109, 237, 261, 327, 711, 981, 2291, 3161, 6873, 8611, 9127, 9483, 20619, 25833, 27381, 28449, 77499, 82143, 249719, 264683, 721033, 749157, 794049, 994843, 2163099, 2247471, 2382147, 2984529, 6489297, 8953587, 20909957, 28850447, 62729871, 78592597, 86551341, 188189613, 235777791, 259654023, 707333373, 2279185313, 6837555939, 20512667817]

約数ペア:

[(1, 20512667817), (3, 6837555939), (9, 2279185313), (29, 707333373), (79, 259654023), (87, 235777791), (109, 188189613), (237, 86551341), (261, 78592597), (327, 62729871), (711, 28850447), (981, 20909957), (2291, 8953587), (3161, 6489297), (6873, 2984529), (8611, 2382147), (9127, 2247471), (9483, 2163099), (20619, 994843), (25833, 794049), (27381, 749157), (28449, 721033), (77499, 264683), (82143, 249719)]